Home / 54,665,678.40-81,998,601.62-21,891,006.60

Finding the Fourth Proportional to 54,665,678.40, 81,998,601.62 and 21,891,006.60

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Solution

The fourth proportional to 54,665,678.40, 81,998,601.62 and 21,891,006.60 is: 32,836,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665,678.40 : 81,998,601.62 = 21,891,006.60 : x
  2. Step 2: Convert to fraction form
    54,665,678.40/81,998,601.62 = 21,891,006.60/x
  3. Step 3: Cross multiply
    54,665,678.40x = 81,998,601.62 × 21,891,006.60
  4. Step 4: Simplify right side
    54,665,678.40x = 1,795,031,929,144,735.75
  5. Step 5: Solve for x
    x = 1,795,031,929,144,735.75/54,665,678.40
  6. Step 6: Final answer
    x = 32,836,543.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.